Author: Uri Blass
Date: 17:01:21 01/18/05
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On January 18, 2005 at 19:45:36, Anthony Cozzie wrote: >Chandler, your statement "chess cannot be solved by computers" is patently >WRONG. Zappa on my opteron can solve chess, it would just take a VERY long time >to do so. TSCP on a PDA can solve chess, it would just take even longer. I know nothing about zappa but I am sure that tscp cannot solve chess. It has limited depth of 32 plies based on my memory so it will never search lines that are longer than 32 plies. I believe that zappa also cannot solve chess. possible reasons except the reason of maximal depth are: 1)zappa use null move pruning that is not correct so it may miss some zugzwang. 2)zappa has some bug that will cause it to crash after 12345678910111213 nodes It never search that number of nodes so you never found that bug. 3)There is no hardware that live forever and you will get an hardware crash after 1234 years of search regardless of the hardware that you use. 4)God decided that this world has only 123456789 years to live and zappa needs more time to solve chess so it simply not fast enough. Uri
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